Structures intended for use as plants shall conform with all applicable city zoning and building ordinances, permits, rules and regulations and, in addition, the following.
(A) Such structures shall be single-story with concrete floors in good condition.
(B) Machines shall not be installed in buildings used in whole or in part as dwellings.
(C) Maintenance areas shall be separate from customer service areas.
(2000 Code, § 5.16.040)